Home / 26,805.12-40,202.64-12,011.28

Finding the Fourth Proportional to 26,805.12, 40,202.64 and 12,011.28

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Solution

The fourth proportional to 26,805.12, 40,202.64 and 12,011.28 is: 18,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.12 : 40,202.64 = 12,011.28 : x
  2. Step 2: Convert to fraction form
    26,805.12/40,202.64 = 12,011.28/x
  3. Step 3: Cross multiply
    26,805.12x = 40,202.64 × 12,011.28
  4. Step 4: Simplify right side
    26,805.12x = 482,885,165.78
  5. Step 5: Solve for x
    x = 482,885,165.78/26,805.12
  6. Step 6: Final answer
    x = 18,014.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.